20970152 has 32 divisors (see below), whose sum is σ = 45091200. Its totient is φ = 8956224.

The previous prime is 20970151. The next prime is 20970203. The reversal of 20970152 is 25107902.

It is not an unprimeable number, because it can be changed into a prime (20970151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24158 + ... + 25010.

It is an arithmetic number, because the mean of its divisors is an integer number (1409100).

Almost surely, 2^20970152 is an apocalyptic number.

It is an amenable number.

20970152 is an abundant number, since it is smaller than the sum of its proper divisors (24121048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20970152 is a wasteful number, since it uses less digits than its factorization.

20970152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1301 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 20970152 is about 4579.3178531305. The cubic root of 20970152 is about 275.7616439643.

The spelling of 20970152 in words is "twenty million, nine hundred seventy thousand, one hundred fifty-two".